Ruben Groenewoud
3588600d57
* [Rule Tuning] 2 tunings to reduce FPs back to 0 * Added one more tune for community issue #3041 * Update rules/linux/execution_abnormal_process_id_file_created.toml * Update rules/linux/execution_abnormal_process_id_file_created.toml
46 lines
1.5 KiB
TOML
46 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2023/08/30"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/08/30"
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[rule]
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author = ["Elastic"]
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description = """
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This rule monitors for the usage of the sudo -l command, which is used to list the allowed and forbidden commands for
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the invoking user. Attackers may execute this command to enumerate commands allowed to be executed with sudo permissions,
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potentially allowing to escalate privileges to root.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Sudo Command Enumeration Detected"
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risk_score = 21
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rule_id = "28d39238-0c01-420a-b77a-24e5a7378663"
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Discovery"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
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process.name == "sudo" and process.args == "-l" and process.args_count == 2 and
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process.parent.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and
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not group.Ext.real.id : "0" and not user.Ext.real.id : "0"
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1033"
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name = "System Owner/User Discovery"
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reference = "https://attack.mitre.org/techniques/T1033/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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